20389820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92681}}^1$

素因数の和:92701

約数の個数: 24

約数和(自身を含む): 46711728

約数和(自身を除く): 26321908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 92681, 185362, 370724, 463405, 926810, 1019491, 1853620, 2038982, 4077964, 5097455, 10194910, 20389820]

約数ペア:

[(1, 20389820), (2, 10194910), (4, 5097455), (5, 4077964), (10, 2038982), (11, 1853620), (20, 1019491), (22, 926810), (44, 463405), (55, 370724), (110, 185362), (220, 92681)]